4binggreen

 week04

到https://jsyeh.org/3dcg10/

下data,windows 

先將window解壓縮 data拉進window裡

開啟transformation.exe

y 軸 右手比個讚

x軸 向下

z軸 右邊向上

xy軸都設為1 人會向右下轉

week04-1 

week04-1_rotate_light

複製126-134行和156-172行

有打光且會旋轉的茶壺

translatef轉動整個世界

rotatef轉動物品角度

scalef改變物品大小

week04-1_rotate_translate

再增加一個茶壺

#include <GL/glut.h>

float angle = 0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glTranslatef(0.5,0,0);

        glRotatef(angle,0,1,0);

        glColor3f(0,0,1);

        glutSolidTeapot(0.3);

    glPopMatrix();

    glPushMatrix();

        glRotatef(angle,0,1,0);

        glTranslatef(0.5,0,0);

        glColor3f(1,1,0);

        glTranslatef(0,0.5,0);

        glutSolidTeapot(0.3);

    glPopMatrix();

    glutSwapBuffers();

    angle++;

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week04");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMainLoop();

}